EP3443753A4 - Loudspeaker motor and suspension system - Google Patents

Loudspeaker motor and suspension system Download PDF

Info

Publication number
EP3443753A4
EP3443753A4 EP17783112.0A EP17783112A EP3443753A4 EP 3443753 A4 EP3443753 A4 EP 3443753A4 EP 17783112 A EP17783112 A EP 17783112A EP 3443753 A4 EP3443753 A4 EP 3443753A4
Authority
EP
European Patent Office
Prior art keywords
suspension system
loudspeaker motor
loudspeaker
motor
suspension
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
EP17783112.0A
Other languages
German (de)
French (fr)
Other versions
EP3443753A1 (en
Inventor
Brian Sterling
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Harman International Industries Inc
Original Assignee
Harman International Industries Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Harman International Industries Inc filed Critical Harman International Industries Inc
Publication of EP3443753A1 publication Critical patent/EP3443753A1/en
Publication of EP3443753A4 publication Critical patent/EP3443753A4/en
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R7/00—Diaphragms for electromechanical transducers; Cones
    • H04R7/16—Mounting or tensioning of diaphragms or cones
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R7/00—Diaphragms for electromechanical transducers; Cones
    • H04R7/16—Mounting or tensioning of diaphragms or cones
    • H04R7/18—Mounting or tensioning of diaphragms or cones at the periphery
    • H04R7/20—Securing diaphragm or cone resiliently to support by flexible material, springs, cords, or strands
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
    • H04R9/02—Details
    • H04R9/04—Construction, mounting, or centering of coil
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
    • H04R9/02—Details
    • H04R9/04—Construction, mounting, or centering of coil
    • H04R9/045—Mounting
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
    • H04R9/06—Loudspeakers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R2207/00—Details of diaphragms or cones for electromechanical transducers or their suspension covered by H04R7/00 but not provided for in H04R7/00 or in H04R2307/00
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R2209/00—Details of transducers of the moving-coil, moving-strip, or moving-wire type covered by H04R9/00 but not provided for in any of its subgroups
    • H04R2209/041—Voice coil arrangements comprising more than one voice coil unit on the same bobbin
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R2400/00—Loudspeakers
    • H04R2400/07—Suspension between moving magnetic core and housing
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R2400/00—Loudspeakers
    • H04R2400/11—Aspects regarding the frame of loudspeaker transducers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
    • H04R9/02—Details
    • H04R9/025—Magnetic circuit
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
    • H04R9/02—Details
    • H04R9/04—Construction, mounting, or centering of coil
    • H04R9/041—Centering
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
    • H04R9/02—Details
    • H04R9/04—Construction, mounting, or centering of coil
    • H04R9/046—Construction

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
EP17783112.0A 2016-04-15 2017-04-13 Loudspeaker motor and suspension system Pending EP3443753A4 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US15/130,044 US9854365B2 (en) 2016-04-15 2016-04-15 Loudspeaker motor and suspension system
PCT/US2017/027362 WO2017180838A1 (en) 2016-04-15 2017-04-13 Loudspeaker motor and suspension system

Publications (2)

Publication Number Publication Date
EP3443753A1 EP3443753A1 (en) 2019-02-20
EP3443753A4 true EP3443753A4 (en) 2019-11-06

Family

ID=60040122

Family Applications (1)

Application Number Title Priority Date Filing Date
EP17783112.0A Pending EP3443753A4 (en) 2016-04-15 2017-04-13 Loudspeaker motor and suspension system

Country Status (4)

Country Link
US (2) US9854365B2 (en)
EP (1) EP3443753A4 (en)
CN (1) CN109076270B (en)
WO (1) WO2017180838A1 (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9854365B2 (en) * 2016-04-15 2017-12-26 Harman International Industries, Inc. Loudspeaker motor and suspension system
WO2019191910A1 (en) * 2018-04-03 2019-10-10 华为技术有限公司 Speaker, terminal and speaker control method
CN111294720B (en) * 2018-12-07 2021-08-10 瑞声科技(新加坡)有限公司 Voice coil assembly, manufacturing method, loudspeaker, winding equipment and additional structure thereof
GB201902360D0 (en) * 2019-02-21 2019-04-10 Pss Belgium Nv Loudspeaker system
US10880653B2 (en) 2019-05-21 2020-12-29 Apple Inc. Flat transducer for surface actuation
GB201907267D0 (en) * 2019-05-23 2019-07-10 Pss Belgium Nv Loudspeaker

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0503860A2 (en) * 1991-03-08 1992-09-16 Harman International Industries, Incorporated Transducer motor assembly
EP0804048A2 (en) * 1996-04-26 1997-10-29 NOKIA TECHNOLOGY GmbH Loudspeaker
US20040008859A1 (en) * 2002-07-01 2004-01-15 Speaker Electronic (Jiashan) Co., Ltd. Loudspeaker having double symmetric magnet-circuits, double voice coils and double dampers
US6735322B1 (en) * 1999-09-14 2004-05-11 Pioneer Corporation Speaker
US20040156527A1 (en) * 2003-02-07 2004-08-12 Stiles Enrique M. Push-pull electromagnetic transducer with increased Xmax
CN102711024A (en) * 2012-01-06 2012-10-03 瑞声声学科技(深圳)有限公司 Vibration system
WO2013007112A1 (en) * 2011-07-12 2013-01-17 东莞常禾电子有限公司 Double-dangling-edge loudspeaker
US20140270323A1 (en) * 2013-03-15 2014-09-18 Jeffery K. Permanian Speaker Driver

Family Cites Families (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1563511A (en) * 1976-03-19 1980-03-26 Harwood H Diaphragms for electroacoustic transducers
DE4225156A1 (en) 1992-07-30 1994-02-03 Nokia Deutschland Gmbh Magnet system for electro-acoustic transducers
JPH06133394A (en) * 1992-10-20 1994-05-13 Kenwood Corp Structure of speaker
CA2218471C (en) 1995-04-18 2000-05-02 Douglas J. Button Dual coil drive with multipurpose housing
US5828767A (en) 1997-09-22 1998-10-27 Jbl Inc. Inductive braking in a dual coil speaker driver unit
US6768806B1 (en) 1998-03-19 2004-07-27 Harman International Industries, Incorporated Shorting rings in dual-coil dual-gap loudspeaker drivers
EP1247424B1 (en) * 1999-08-13 2013-11-20 Dr. G Licensing, LLC Low cost broad range loudspeaker and system
US6490363B1 (en) * 1999-10-13 2002-12-03 Chun-I Liu Structure of speaker
US6526151B1 (en) * 2000-06-29 2003-02-25 Meiloon Industrial Co., Ltd. High stability loudspeaker
WO2002017676A1 (en) * 2000-08-24 2002-02-28 Matsushita Electric Industrial Co., Ltd. Speaker and magnetic circuit used for the speaker
US6774510B1 (en) 2000-10-25 2004-08-10 Harman International Industries, Inc. Electromagnetic motor with flux stabilization ring, saturation tips, and radiator
US6940992B2 (en) * 2002-11-05 2005-09-06 Step Technologies Inc. Push-push multiple magnetic air gap transducer
JP2005354297A (en) * 2004-06-09 2005-12-22 Citizen Electronics Co Ltd Electrodynamic exciter and speaker device
JP4735299B2 (en) * 2006-02-06 2011-07-27 パナソニック株式会社 Speaker
KR101078960B1 (en) 2007-02-22 2011-11-01 하르만 인터내셔날 인더스트리즈, 인코포레이티드 Loudspeaker magnetic flux collection system
US7856115B2 (en) * 2007-11-30 2010-12-21 Clair Brothers Audio Systems Inc. Optimized moving-coil loudspeaker
US8290199B2 (en) * 2009-05-21 2012-10-16 Bose Corporation Loudspeaker suspension
EP2373056B1 (en) * 2010-03-12 2013-05-15 Harman International Industries Ltd. Loudspeaker of an inverted motor design and corresponding assembly method
US8891809B2 (en) 2010-08-25 2014-11-18 Harman International Industries, Inc. Split magnet loudspeaker
GB2499228B (en) * 2012-02-09 2014-05-28 Canon Kk A low-frequency loudspeaker with a low damping suspension system
CN202818585U (en) * 2012-07-25 2013-03-20 惠阳东亚电子制品有限公司 Double-sided acoustic radiation loudspeaker
CN103414985B (en) * 2013-08-16 2016-05-11 常州博士达电子有限公司 The suspended structure of Microspeaker
US9712921B2 (en) * 2014-08-25 2017-07-18 Apple Inc. High aspect ratio microspeaker having a two-plane suspension
CN204465839U (en) * 2015-03-12 2015-07-08 廖敏慧 A kind of loud speaker hanging limit with spiral grain outward
US9485587B1 (en) * 2015-04-22 2016-11-01 Cisco Technology, Inc. Speaker device assembly with recoil vibration attenuating counter balance
US9854365B2 (en) * 2016-04-15 2017-12-26 Harman International Industries, Inc. Loudspeaker motor and suspension system

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0503860A2 (en) * 1991-03-08 1992-09-16 Harman International Industries, Incorporated Transducer motor assembly
EP0804048A2 (en) * 1996-04-26 1997-10-29 NOKIA TECHNOLOGY GmbH Loudspeaker
US6735322B1 (en) * 1999-09-14 2004-05-11 Pioneer Corporation Speaker
US20040008859A1 (en) * 2002-07-01 2004-01-15 Speaker Electronic (Jiashan) Co., Ltd. Loudspeaker having double symmetric magnet-circuits, double voice coils and double dampers
US20040156527A1 (en) * 2003-02-07 2004-08-12 Stiles Enrique M. Push-pull electromagnetic transducer with increased Xmax
WO2013007112A1 (en) * 2011-07-12 2013-01-17 东莞常禾电子有限公司 Double-dangling-edge loudspeaker
CN102711024A (en) * 2012-01-06 2012-10-03 瑞声声学科技(深圳)有限公司 Vibration system
US20140270323A1 (en) * 2013-03-15 2014-09-18 Jeffery K. Permanian Speaker Driver

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
AES, 60 EAST 42ND STREET, ROOM 2520 NEW YORK 10165-2520, USA, 1 January 1995 (1995-01-01), XP040378192 *
See also references of WO2017180838A1 *

Also Published As

Publication number Publication date
EP3443753A1 (en) 2019-02-20
US20180109878A1 (en) 2018-04-19
US10051374B2 (en) 2018-08-14
US9854365B2 (en) 2017-12-26
WO2017180838A1 (en) 2017-10-19
CN109076270A (en) 2018-12-21
CN109076270B (en) 2020-11-03
US20170303044A1 (en) 2017-10-19

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